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Sum and Format TimeSpan

i have a list of these  properties.

public DateTime Workday {get;set;}

public DateTime StartWorkAt {get;set;}

public DateTime EndWorkAt {get;set;}

public TimeSpan Duration {

get {return EndWorkAt - StartWorkAt;}


The List is grouped by Workday. What i like to do is to display and sum 'Duration' but no success.........

How can i do these.



1 Reply

VS Vinoth Srinivasan Syncfusion Team July 31, 2017 12:58 PM UTC

Hi Forstmeier 
Thanks for your interest in Syncfusion Components. 
We can sum the “TimeSpan” values using the below expression. We have recently provided this expression support in ReportViewer which will be publicly available in our Volume 3,2017 SP1 release.  
A support incident has been created under your account to share the patch for this support and we request you to login into our Direct Trac support system for further updates on this feature support. Our Direct Trac support system can be accessed from the following link, 
Vinoth S. 

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